The word "disposer" refers to someone or something that gets rid of or places things in a certain way. It can refer to a person who makes decisions or arrangements, or to a device that helps eliminate waste or organize objects. Full definition
They reported that a factor in the cells of naked mole rats protects and alters the activity of the proteasome, a garbage disposer for damaged and obsolete proteins. (sciencedaily.com)
PDT825SGJBB 24» Energy Star Rated Built - in Dishwasher with Hidden Controls, Bottle and Deep Clean silverware jets, 16 - Place Settings, 4 Wash Cycles, Touch adjustable upper rack and Hard Food Disposer in Black (appliancesconnection.com)